Session T5: 20 Years of Quantum Information in Physical Review Letters
2:30 PM–5:30 PM, Wednesday, March 23, 2011
Room: Ballroom C1
Sponsoring Unit:
GQI
Chair: John Preskill, California Institute of Technology
Abstract ID: BAPS.2011.MAR.T5.1
Abstract: T5.00001 : Theory of entanglement and entanglement-assisted communication
2:30 PM–3:06 PM
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Author:
Charles H. Bennett
(IBM Research Division)
Protocols such as quantum teleportation and measurement-based quantum computation highlight the importance of entanglement as a resource to be quantified and husbanded. Unlike classical shared randomness, entanglement has a profound effect on the capacity of quantum channels: a channel's entanglement-assisted capacity can be much greater than its unassisted capacity, and in any case is given by much a simpler formula, paralleling Shannon's original formula for the capacity of a classical channel. We review the differences between entanglement and weaker forms of correlation, and the theory of entanglement distillation and entanglement-assisted communication, including the role of strong forms of entanglement such as entanglement-embezzling states.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.T5.1